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castortr0y [4]
3 years ago
8

What are genetic crosses

Biology
1 answer:
Sladkaya [172]3 years ago
4 0

Answer:

1:2:1 is the genetic crosses

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Temperatures increase in the________ and ______layers of the atmosphere.
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Thermosfere

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Temperatures increase in the_Thermosfere __ and troposphere _layers of the atmosphere.

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13. Which statement below about the periodic table is true?
seropon [69]

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Cells in a large multicellular organism communicate with each other by chemical signals. These signals are passed from one cell
VladimirAG [237]

Answer:

Cells in a large multicellular organism communicate with each other by chemical signals. These signals are passed from one cell to another. To receive and respond to a chemical signal, a cell must have a <u><em>receptor</em></u> for that chemical.

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To generate a physiological response, all cells in the body have special proteins called receptors. These receptors are involved in detecting a chemical signal and generating a response. The receptors are specific for different kind of chemical signals. For example, a dopamine receptor will bind a dopamine molecule whereas an insulin receptor will be able to bind an insulin molecule. Apart from chemical signals, some cells might also respond to mechanical signals.

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What is the most likely effect that a war might have a food security?
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<span>What is the most likely effect that a war might have a food security? 

A. Crops would be burned and convoys attacked to deny food sources to the enemy

During war time, everything is done to ensure victory. Food and water of the enemies are either confiscated or burned down. Enemies will be starving and dehydrated making them susceptible to sickness or death. Decreasing there numbers and making it easier to defeat them in battle. </span>
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Name the molecule that makes up chromosomes
fiasKO [112]
The correct answer is DNA. 

Each chromosome is made up of DNA tightly coiled many times around proteins<span> that support its structure :)</span>
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3 years ago
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